INFLUENCE OF THE NATURE OF ACID REAGENTS TO YIELD AND PROPERTIES OF THE CATION EXTENDERS DERIVED FROM SAWDUST

  • Иван Павлович Дейнеко St. Petersburg State Forestry University, Institutskii per. 5, St. Petersburg, 194021 Email: ipdeineko@mail.ru
  • Ирина Сергеевна Круглова St. Petersburg State Forestry University, Institutskii per. 5, St. Petersburg, 194021 Email: ipdeineko@mail.ru
  • Инна Валерьевна Дейнеко St. Petersburg State Forestry University, Institutskii per. 5, St. Petersburg, 194021 Email: ipdeineko@mail.ru
DOI_disc_logo https://doi.org/10.14258/jcprm.1301059
Keywords: Sawdust, acids, cation exchangers, yield, strong acid groups, weakly acid groups, sorption, cadmium, zinc, lead

Abstract

Influence of the nature of acid reagents (H2SO4, HСlO4, 4-CH3C6H4SO3H, ClCH2COOH, H3PO4) on yield and sorption properties of cation exchangers derived from pine sawdust has been studied. The highest yield cation exchanger is observed when using phosphoric acid. Cation exchangers contain strong and weakly acid functional groups, the total capacity on the cation Na+ of individual samples up to 2 mmol/g. Sorbents obtained by using sulfuric, perchloric and phosphoric acids have a high affinity for cations Cd2+ and Pb2+; capacity for these cations varies in the range of 1,0–1,5 mmol/g.

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Author Biographies

Иван Павлович Дейнеко, St. Petersburg State Forestry University, Institutskii per. 5, St. Petersburg, 194021
доктор химических наук, профессор, тел.: (812) 550-06-98
Ирина Сергеевна Круглова, St. Petersburg State Forestry University, Institutskii per. 5, St. Petersburg, 194021
студентка
Инна Валерьевна Дейнеко, St. Petersburg State Forestry University, Institutskii per. 5, St. Petersburg, 194021
доцент, кандидат химических наук

References

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Published
2013-03-20
How to Cite
1. Дейнеко И. П., Круглова И. С., Дейнеко И. В. INFLUENCE OF THE NATURE OF ACID REAGENTS TO YIELD AND PROPERTIES OF THE CATION EXTENDERS DERIVED FROM SAWDUST // chemistry of plant raw material, 2013. № 1. P. 59-66. URL: http://journal.asu.ru/cw/article/view/jcprm.1301059.
Issue
No 1 (2013)
Section
Biopolymers of plants

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